wednesday a hearing on reducing gun violence, retired astronaut marc kelly husband of gabby giffords will testify before the senate judiciary committee along with the national rifle association. live coverage starting at 10:00 a.m. eastern on c-span. >> one can't count the times that americans say we're the best country in the world. what a stupid thing to say. of all the countries in the world, everybody thinks that the country is pretty good. why do we have to believe that we're the best? what does that -- what does that mean? and why do we have to assert it all of the time? and what does it mean to other people who consume it? american. they go around the world so they are observed by people in every corner of the world. and we teach them not like us. >> author, activist, and transafrica founder randall robinson taking your call, e-mail, comments and tweets. three hours live at sunday noon eastern on booktv on c-span2. >>> next a look at efforts to decrees medicare cost without cutting benefits. this event hosted by national journal is just over two hours. [inaudible conversations